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Descriptions

W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Veldkampia sagaingensis

HABIT Annual; culms solitary. Culms prostrate; 5–7 cm long (high); 7–10 -noded; rooting from lower nodes. Culm-nodes glabrous. Lateral branches lacking. Ligule an eciliate membrane; 0.5–0.7 mm long. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.2–0.35 cm long; petiole pubescent. Leaf-blades linear, or lanceolate; 1–2 cm long; 1.4–3.5 mm wide. Leaf-blade surface glabrous. Leaf-blade apex acute.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 1; single; 0.5–1.7 cm long; bearing 14 fertile spikelets on each. Rhachis fragile at the nodes; ciliate on margins. Rhachis hairs 0.6–1.7 mm long. Rhachis internodes linear; 0.9 mm long; 0.5 length of fertile spikelet. Rhachis internode tip crateriform.

Spikelets in pairs. Fertile spikelets sessile and pedicelled; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels linear; ciliate.

STERILE SPIKELETS Companion sterile spikelets represented by barren pedicels.

FERTILE SPIKELETS Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 1.7 mm long; falling entire. Spikelet callus pubescent; base obtuse; inserted. Spikelet callus hairs white; 0.3–1 mm long.

GLUMES Glumes dissimilar; reaching apex of florets; firmer than fertile lemma. Lower glume oblong; 1.5 mm long; 0.9 length of spikelet; cartilaginous. Lower glume apex emarginate, or obtuse. Upper glume oblong; 1.7 mm long; 1 length of spikelet. Upper glume awned; 1 -awned. Upper glume awn 30 mm long.

FLORETS Fertile florets with the lowest dissimilar. Lowest fertile lemma elliptic; 1 mm long; entire; muticous. Fertile lemma oblong; 1.3 mm long; membranous. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 30–35 mm long overall; with twisted column. Column of lemma awn 3.5 mm long. Palea absent or minute (but 0.7 mm long in lower floret).

FRUIT Caryopsis oblong; 0.8 mm long.

DISTRIBUTION Asia-tropical: Indo-China.

NOTES Andropogoneae. Ibaragi & Kobay 2008.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.